Bugera, M. Y., A. V. Herbeda, K. V. Tarasenko, and I. S. Kondratov. “The Preparative Synthetic Approach to α,α-Difluoro-γ-Aminobutyric Acid”. Journal of Organic and Pharmaceutical Chemistry, vol. 18, no. 3(71), Sept. 2020, pp. 55-59, doi:10.24959/ophcj.20.209030.